SOLUTION: 10x^2 + 2x − 8 factoring???

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 10x^2 + 2x − 8 factoring???      Log On


   

Question 366570: 10x^2 + 2x − 8 factoring???
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi, 

factoring: 

10x^2 + 2x − 8  will begin using 10 & 1 to arrive at 10x^2

(10x - ?)(x + ?)  yes!

(10x - 8)(x + 1) works as 10x - 8x = 2x  and -8*1 = -8